anions test Flashcards
1
Q
test for carbonates
A
add dilute hydrochloric acid.
if carbonates are present, carbon dioxide will be released
2
Q
test for sulfates
A
add dilute HCl (to get rid of carbonate or sulfite ions)
add barium chloride solution
white precipitate means it’s sulfate
3
Q
test for halides
A
add dilute nitric acid (get rid of carbonate ot sulfite ions)
add silver nitrate solution
4
Q
Ag + Cl gives a
A
white precipitate
5
Q
Ag + Br gives a
A
cream precipitate
6
Q
Ag + I gives a
A
yellow precipitate
